Jason Castillo Mere - Rating

Calculation details

Rating breakdown for the past 12 months

See the published month-end rating and the rating-eligible matches added in each month. Open a month for details.

August 2026 No new matches Change 0 Rating 1,263

Rating-period composition

Rating matches: 4 0
Record: 2–2 Previous month 2–2
Opponents: 3 0
Events: 3 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

July 2026 No new matches Change 0 Rating 1,263

Rating-period composition

Rating matches: 4 0
Record: 2–2 Previous month 2–2
Opponents: 3 0
Events: 3 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

June 2026 2 new matches Change +138 Rating 1,263

Rating-period composition

Rating matches: 4 +2
Record: 2–2 Previous month 0–2
Opponents: 3 +1
Events: 3 +1

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.

Win

June 6, 2026 Jessel Moreno De Leon

CIRCUITO CANARIO DE BJJ 2026 - 2ª Etapa Kids Boys GI / White-Grey / Mirim / -32,0 kg

Method Decision 01:20 2–9

Marginal influence +42

Win

June 6, 2026 LeBron Armas

CIRCUITO CANARIO DE BJJ 2026 - 2ª Etapa Kids Boys GI / White-Grey / Mirim / -32,0 kg

Method Points 02:00 4–0

Marginal influence +49

May 2026 No new matches Change -2 Rating 1,125

Rating-period composition

Rating matches: 2 0
Record: 0–2 Previous month 0–2
Opponents: 2 0
Events: 2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

April 2026 No new matches Change -1 Rating 1,127

Rating-period composition

Rating matches: 2 0
Record: 0–2 Previous month 0–2
Opponents: 2 0
Events: 2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

March 2026 1 new match Change -14 Rating 1,128

Rating-period composition

Rating matches: 2 +1
Record: 0–2 Previous month 0–1
Opponents: 2 +1
Events: 2 +1

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.

Loss

March 15, 2026 Hugo Jiménez Merlos

XVII Campeonato de España 2026 (Gi, No-Gi & Kids) Niños GI / Grey / Benjamín / -33 Kg

Method Points 02:00 0–11

Marginal influence -50

February 2026 No new matches Change 0 Rating 1,142

Rating-period composition

Rating matches: 1 0
Record: 0–1 Previous month 0–1
Opponents: 1 0
Events: 1 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

January 2026 No new matches Change 0 Rating 1,142

Rating-period composition

Rating matches: 1 0
Record: 0–1 Previous month 0–1
Opponents: 1 0
Events: 1 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

December 2025 No new matches Change 0 Rating 1,142

Rating-period composition

Rating matches: 1 0
Record: 0–1 Previous month 0–1
Opponents: 1 0
Events: 1 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

November 2025 1 new match Change Starting point Rating 1,142

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.

Loss

November 8, 2025 Jessel Moreno De Leon

CANARIAS BJJ CUP GI & NO-GI 2025 Kids Boys GI / White-Grey / Mirim / -29,0 kg

Method Submission 00:43 0–0

Marginal influence -26

Relevant matches: 3.1

Official ranking percentile: -

Performance: -

3.1 weighted matches against 3 different opponents across 3 events

Weighted win rate: -
Expected win rate: -
Average opponent rating: 1,336
Repeated-opponent share: 25.0%
Network connectivity: 80.9%